Avoid 3 in 1 oil....
On 07/09/2011 09:56 AM, Ron L'Herault wrote:
Another possibility is that if a machine is used regularly, there is enough
minute wear to the bearing that, even if it swells, the inner surface wears
away and the shaft remains free turning.
Ron L
-----Original Message-----
From: phono-l-boun...@oldcrank.org [mailto:phono-l-boun...@oldcrank.org] On
Behalf Of Rich
Sent: Saturday, July 09, 2011 12:42 AM
To: Antique Phonograph List
Subject: Re: [Phono-L] FW: Frozen mandrel bearing
Potmetal continues to grow until it just crumbles. Reaming is a
temporary fix. As someone else pointed out the bearing has probably been
lubed with 3 in 1 in the red can which is a pure mineral oil with no
rust or oxidation inhibitors and just soaking with Kroil will usually
get it going again. Not all potmetal of that period is defective.
Oxidized 3 in 1 is a powerful adhesive though.
On 07/08/2011 08:31 PM, Steven Medved wrote:
If I remember correctly the home and triumph pot metal bearings are thick,
I would think if the shaft could be removed the bearing could be reamed out
to the correct size and it could be used. Has anyone ever tried this? Steve
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